/Engine/Source/Runtime/CoreUObject/Public/UObject/WeakFieldPtr.h
Copy from an object pointer
template<class U> [TEnableIf](API\Runtime\Core\Templates\TEnableIf)<![TLosesQualifiersFromTo](API\Runtime\Core\Templates\TLosesQualifiersFromTo)< U, T >::Value >::Type operator= ( const U * InField )